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A mystery lottery player has lost out on a £64 million fortune after the deadline for them to claim the life-changing prize expired. The unlucky individual, who bought the winning EuroMillions ticket in Stevenage or Hitchin, had until 11pm on Wednesday to collect the massive windfall.

But despite a National Lottery publicity campaign, the would-be multi-millionaire missed the 180-day deadline - making the £63,837,543.60 prize the biggest unclaimed lottery win in history.

The bumper haul of money, plus all the interest it has generated, will now go to the National Lottery Good Causes - adding to the £29 billion already raised through sales of lottery tickets since the National Lottery launched in November 1994.

"Unfortunately, I can confirm that the ticketholder did not come forward within the deadline to claim their prize and has now sadly missed out on this staggering amount of money. The vast majority of prizes are claimed within the 180 days but to avoid this unfortunate situation happening again, we would urge all National Lottery players to check their tickets on a regular basis."